Viewing Station: WY-LM-64 : Cheyenne 3.2 NNE
Mar 23, 2007 - Sep 20, 20263,042 Total Observations
View:

Climatology

Precipitation Normals Comparison

Month-To-Date: 0.33"
September 1-20, 2026(20 of 20 days covered by obs)
NOAA Normal
0.97"
Departure from Normal
-0.64" : 34% of Normal
Year-To-Date: 6.18"
Jan 1 to Sep 20, 2026(125 of 263 days covered by obs)
NOAA Normal
12.77"
Departure from Normal
-6.59" : 48% of Normal
Water Year-To-Date: 6.36"
Oct 1, 2025 to Sep 20, 2026(139 of 355 days covered by obs)
NOAA Normal
15.00"
Departure from Normal
-8.64" : 42% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.37
0.27
0.10
Feb
0.52
0.47
0.05
Mar
1.00
0.84
0.16
Apr
1.76
1.61
0.15
May
2.56
2.59
-0.03
Jun
2.22
2.30
-0.08
Jul
1.93
1.93
0.00
Aug
1.44
1.67
-0.23
Sep
1.45
1.60
-0.15
Oct
1.10
1.01
0.09
Nov
0.62
0.55
0.07
Dec
0.51
0.46
0.05
15.48
15.30
0.18